Rack corners



FIG. 1 is a perspective view of rack corners showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is another side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines environment is for illustrative purpose and forms no part of the claimed design. 

The ornamental design for rack corners, as shown and described. 